WEBVTT DETAILS. MEGAN: SHELLY, A FAMILY FRIEND TELLS ME CAM TO AND HER DAUGHTER NHI JUST ARRIVED IN THE US IN -- IN THE U.S. IN FEBRUARY. TWO MONTHS LATER COURT DOCUMENTS SHOW THINGS HAD BEGUN TO TURN VIOLENT AT HOME. >> WE LOVED THEM LIKE MY LITTLE SISTER. MEGAN: THU DOAN IS IN EXCRUCIATING PAIN AFTER HER MOTHER FOUND THEIR FRIENDS CAM THI TO AND HER DAUGHTER NHI NGUYEN DEAD IN THIS NORTHWEST ALBUQUERQUE APARTMENT SUNDAY. POLICE SAY TO'S HUSBAND TRINH TRAN VAN SHOT HER AND HER STEPDAUGHTER THEN KILLED HIMSELF. >> YOU JUST NEVER BELIEVE A PERSON CAN BE THAT EVIL. MEGAN: BUT TONIGHT ACTION 7 NEWS HAS OBTAINED COURT RECORDS SHOWING THINGS WERE BAD AT HOME LONG BEFORE THIS TRAGEDY THIS WAS VAN'S MUGSHOT TAKEN IN APRIL AFTER HE WAS ARRESTED FOR DOMESTIC VIOLENCE. ACCORDING TO COURT DOCUMENTS , -- ACCORDING TO COURT DOCUMENTS, POLICE SAY VAN SHOVED TO THE FLOOR AFTER THEY FOUGHT OVER MONEY. TWO DAYS LATER TO FILED THIS RESTRAINING ORDER. IN IT SHE CLAIMED HER HUSBAND' ABUSE WAS NOTHIN NEW, THAT HE'D THREATENED TO KILL HER AND NHI BEFORE AND HAD TOLD HER TO WATCH OUT. >> WE WOULD TELL HER IF ANYTHING HAPPENS, RUN INTO THE ROOM, LOCK THE DOOR AND CALL 911. SHE MEGAN: BUT DESPITE THEIR VIOLENT FIGHTS DOAN SAYS CAM AND TRAN MADE UP. >> SHE FELT LIKE SHE OWED HIM SOMETHING AND SHE CAN'T JUST LEAVE HI MEGAN: NOW SHE WISHES SHE COULD HAVE DONE SOMETHING MORE. >> WHY DID WE WARN HER THAT INSTEAD OF TAKING ACTIONS? WE JUST NEVER THOUGHT THIS WOULD HAPPEN MEGAN: PEOPLE WILL GATHER TO HONOR NHI AND HER MOTHER SUNDAY. IT'S SET FOR 7:00 P.M. AT EL RANCHO ATRISCO PARK IN ALBUQUERQU THEY'RE PLANNING A CANDLE LIGHT